| 2009 | | Bowel Preparation for Capsule Endoscopy: A Prospective Randomized Multicenter Study. | 이광재 |
| 2009 | | Plasma ghrelin levels and their relationship with gastric emptying in patients with dysmotility-like functional dyspepsia. | 여말희, 이광재, 조성원 |
| 2009 | | Quality of life of patients with irritable bowel syndrome in Korea. | 이광재 |
| 2009 | | Prevalence and risk factors for overlaps between gastroesophageal reflux disease, dyspepsia, and irritable bowel syndrome: a population-based study. | 김수정, 이광재, 이순영, 조성원 |
| 2009 | | Demographic, clinical, and psychological characteristics of the heartburn groups classified using the Rome III criteria and factors associated with the responsiveness to proton pump inhibitors in the gastroesophageal reflux disease group. | 이광재, 정재연, 조성원 |
| 2008 | | Alimentary Tract : Relapse Rates of Ulcerative Colitis in Remission and Factors Related to Relapse | 이광재, 정재연, 조성원, 황재철 |
| 2008 | | Prospective Evaluation of Ultrathin Transnasal Esophagogastroduodenoscopy: Its Feasibility, Safety and Tolerance | 김진홍, 신성재, 유병무, 이광재, 이기명, 정성현, 정재연, 황재철 |
| 2008 | | Diagnostic Significance of One-week Esomeprazole Treatment in Gastro-esophageal Reflux Disease | 이광재 |
| 2008 | | A Case of Pseudoachalasia Accompanied by Pancreatic Cancer | 김진홍, 이광재, 정재연, 조성원 |
| 2008 | | Normal ambulatory 24-hour esophageal pH values in Koreans -a multicenter study-. | 이광재 |
| 2008 | | Lafutidine versus lansoprazole in combination with clarithromycin and amoxicillin for one versus two weeks for Helicobacter pylori eradication in Korea. | 이광재 |
| 2008 | | The alteration of enterochromaffin cell, mast cell, and lamina propria T lymphocyte numbers in irritable bowel syndrome and its relationship with psychological factors. | 김영배, 김장희, 이광재, 조성원 |
| 2008 | | Pepsin detection in the sputum/saliva for the diagnosis of gastroesophageal reflux disease in patients with clinically suspected atypical gastroesophageal reflux disease symptoms. | 여말희, 이광재, 조성원 |
| 2008 | | Matrix metalloproteinase-3 genotypes influence recovery from hepatitis B virus infection. | 김진홍, 왕희정, 이광재, 정재연, 조성원 |
| 2008 | | Diagnostic value of terminal ileum intubation during colonoscopy. | 권혁춘, 김영배, 신성재, 이광재, 정성현, 정재연 |
| 2007 | | Oncological Safety of a Metallic Stent for a Left-sided Obstructive Colorectal Carcinoma | 김진홍, 서광욱, 오승엽, 이광재 |
| 2007 | | A Case of a Rectal Teratoma | 김영배, 서광욱, 오승엽, 이광재 |
| 2007 | | Low expression of Bax predicts poor prognosis in patients with locally advanced esophageal cancer treated with definitive chemoradiotherapy. | 강석윤, 강승희, 김장희, 김효철, 박준성, 신승수, 오영택, 이광재, 이현우, 전미선, 최진혁, 한재호 |
| 2007 | | Can we predict spontaneous capsule passage after retention? A nationwide study to evaluate the incidence and clinical outcomes of capsule retention. | 이광재 |
| 2007 | | Comparison of uncovered stent with covered stent for treatment of malignant colorectal obstruction. | 김진홍, 신성재, 유병무, 이광재, 이기명, 정재연, 조성원, 황재철 |
